disk: convert CONFIG_EFI_PARTITION to Kconfig

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay73@gmail.com>
diff --git a/configs/iNet_3W_defconfig b/configs/iNet_3W_defconfig
index 840e65c..02eb34f 100644
--- a/configs/iNet_3W_defconfig
+++ b/configs/iNet_3W_defconfig
@@ -20,4 +20,5 @@
 # CONFIG_CMD_FPGA is not set
 # CONFIG_SPL_DOS_PARTITION is not set
 # CONFIG_SPL_ISO_PARTITION is not set
+# CONFIG_SPL_EFI_PARTITION is not set
 CONFIG_USB_MUSB_HOST=y